Cushion stop for picker sticks



Apr. 17, 1923. 1,45%45 I A. E: RHOADES CUSHION STOP FOR PICKER STICKS Filed May 22 1922 Fig.1.

)nvenTor.

Alonzo E. Rhocldes byX W AITys.

Patented Apr. Ti, 1923.

UNITEE STATES PATENT @FHQE.

ALONZO E. RHOADES, O1 HOPEDALE. MASSACHUSETTS, ASSIGNOR T0 DRAPER COR- PORATION, OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

CUSHION STOP FOR PIOKER STICKS.

Application filed May 22,

To all rv/10m it may concern:

Be it known that I, ALoNzo E. RHOADES, a citizen of the United States, and resident of Hopedale, county of Worcester State of Massachusetts, have invented an Improvement in Cushion Stops for Picker Sticks, of which the following description, in connection with the accompanying drawing, is a specification, like characters on the drawing representing like parts.

This invention relates to looms and more particularly to the means for stopping the picker stick at the end of the picking movement.

The object of the invention is'to provide a simple and eflicient means readily applied to existing looms for stopping the picker stick at the conclusion of its picking movement so as to prevent breakage or overthrow of the picker.

The object of the invention is further to provide a two part device cons sting first of a stop secured to a rigid portion oi the lay, and second of a resilient bufier also secured to a rigid portion of the lay with its free end standing normally in front of and spaced from the stop so that the butter acts first to cushion the picker stick and then in co-operation with the stop to limit the picking movement of the picker SiJlCk.

These and other objects and "features of of the invention will appear more -fully from the accompanying description and drawings and will be particularly polnted out in the claims.

In the drawings;

Fig. 1 is a front elevation of the right hand end of a portion of the lay of a loom, a portion of the picker stick, picker and a preferred form of construction embodymg the invention;

Fig. 2 is a rear view of a portion of the construction shown in Fig. 1;

Fig. 3 is a view in vertical cross section taken'on the line 3-8 of Fig. 1.

As the invention relates to the single feature of means for cushioning and stopping the picker stick at the conclusion of the picking movement it is necessary to describe or illustrate only those portions of a loom directly concerned therewith. The lay beam 1 may be provided with any suitable form of shuttle box 2 and provided with the usual slot through which projects the upper 1922. Serial No. 562,605.

end of the pivoted picker stick 3 carrying the picker 4. There is usually. especially in automatic filling replenishing looms, rig idly associated with the lay a bobbin chute 5 down which the bobbin slides when ejected from the shuttle. This bobbin chute is rigidly secured as at the left hand end to the lay beam 1 and at the right hand end by a bracket 6 also to the lay beam. 1. I

In this invention this bobbin chute being a rigid portion of the lay is conveniently used as a means upon which are mounted the devices with which this invention is particularly concerned, but it is to be understood that they may be secured to any rigid portion of the lay depending upon the particular construction of the loom.

The stop 7 is shown as a block of metal rigidly secured to the roar of the bobbin chute 5 by means of a stud or pin 8 pro jecting therefrom. This stop is preferably taced at its front or outer end with a yieldmg facing such as a strip of leather 9:

The buffer is in the form preferably of a resilient strip of metal 10 and is secured at one end, preferably its lower end to a rigid portion of the lay such as the lug 11 formed on or secured to the rear of the bobbin chute beneath the stop 7. This bufl'er is so mounted that its free end stands normally in front of and spaced from the stop as shown in the drawings. The buffer is also preferablv provlded on both faces with a yielding n6- ing such as a strip of leather 12. A simple and efficient means for securing the buffer and its facing strip in place is illustrated. Two rivets 13 extend through the lug 1]. and through the buffer 10 and the facing strip 12 with metal. plates 14 interposed as shown so that when the rivets are headed up the buffer and facing strip is firmly and ri 'idly clamped in place against the lug 1 l. i .1; its upper end the buffer may be shaped or narrowed as shown in Fig. 3 to conform to the rear face of the bobbin chute.

When the fixed end of the buffer is mounted as shown beneath the stop the buffer is bent outwardly and upwardly to bring its free end opposite the stop as shown in Figs. 1 and 2. This construction brings the fixed end of the butter and the means by which it is secured in place sufliciently inward .or toward the center of the loom so that there is no danger of the picker stick striking;

the support for the buffer when under the action of the picker stick the buffer yields and comes into contact with the stop.

In the operation of the loom if the picker stick is suddenly stopped it is liable to break or the picker may be thrown from the end of the picker stick by the whip-like action. It is important, therefore, that the picker stick shall be brought gradually to rest and its momentum gradually overcome without an injurious shock at the conclusion of the picking movement.

In this invention as the picker stick nears the end of the picking movement it comes first into contact with the buffer which thereupon yields gradually checking the movement of the picker stick until the buffer comes into contact with the stop whereupon the movement of the picker stick is definitely limitedv Thus the picker stick is brought to rest at the conclusion of the picking movement without danger of breakage or injury or overthrow of the picker.

The yielding or leather facing on the buffer co-operates at one face with the stop and preferably with the yielding or leather face thereon while at the other face of the buffer it co-operates with the picker stick so that there is a minimum amount of wear upon the parts.

The invention presents a simple and eflicient form of device which may be readily applied to existing looms and which secures the desired results.

Having thus described my invention what I claim as new and desire to secure by Letters Patent, is:

1. In a loom having a lay, a bobbin chute depending from the lay, a picker stick and picker, the combination of a stop secured to the inner end of the bobbin chute, a resilient buffer secured at one end to the chute with its free end standing normally in front of and spaced from the stop, the said buffer acting to cushion the picker stick at the conclusion of the picking movement and in co-operation with the stop acting to limit the picking movement of the picker stick.

2. In a loom having a lay, a bobbin chute depending from the lay, a picker stick and picker, the combination of a stop secured to the inner edge of the bobbin chute, a lug on the chute beneath the stop, a resilient metal buffer secured at its lower end to the lug and having its free end bent outwardly and upwardly and standing normally in front of and spaced from the stop, the said buffer acting to cushion the picker stick at the conclusion of the picking movement and in co-operationwith the stop acting to limit the picking movement of the picker'stick.

3. In a loom having the construction defined in claim 1 the provision of a yielding facing on both faces of the buffer to con tact respectively with the stop and with the picker stick.

4. In a loom having the construction defined in claim 2 the provision of a yielding facing on both faces of the buffer to contact respectively with the stop and with the picker stick.

5. In a loom having a lay, a picker stick and picker the combination of a stop secured to a rigid portion of the lay near one limit of the movement of the picker stick, a resilient metal buffer secured at its lower end to a rigid portion of the lay with its free end projecting upwardly and standing normally in front of and spaced from the stop, the said buffer acting to cushion the picker stick at the conclusion of its movement toward the stop and in co-operation with the stop acting to limit the movement of the picker stick.

6. In a loom having the construction defined in claim 5, a yielding facing on the face of the buffer with which the picker stick engages and a yielding facing on one of the co-operating faces of the stop and buffer.

In testimony whereof, I have signed my name to this specification.

ALONZO E. RHOADES'. 

